Air Purifier, are you right?

Air Purifier, are you right?

In recent years, with the outbreak of environmental air pollution in China, people are paying more and more attention to the air quality of their environment. Bacteria, viruses, odors, chemical gases, etc. suspended in the air can threaten human health.

In particular, new homes that have just been renovated are even more harmful to vulnerable people such as the elderly, children, and pregnant women. As the most effective product to improve air quality, air purifiers have become the standard for many families.

At present, there are many kinds of air purifiers on the market. But how do you really choose a high-performance, high-quality air purifier?

At the just-concluded Olansi “Winning the Future – Healthy Breathing into the First Anniversary of Wanjia and New Products”, how to choose an air purifier, a professor at Shanghai Jiao Tong University, an expert in air purification industry, “the first person in China’s air purification”, China Professor Wu Jixiang, an expert in the Indoor Environmental Purification Management Committee, said that a truly effective air purifier = high CADR value + high CCM value + high energy efficiency value + low noise.

Professor Wu Jixiang, the first person in China’s air purification, explained at the Olansi Air Purifier New Product Launch Conference
“Three highs and one low”, the four indicators of the Olansi air purifier are all better than the new international highest standards.

What kind of effects can these indicators play in daily use?
CADR value: air purification capacity of up to 800m3 / h, the industry-leading, air in 15 square meters of space, only 2 minutes and 45 seconds, can be completely purified. Easy to get all kinds of apartment types, a home office is suitable!
CCM value: It represents the purification ability of pollutants. The continuous purification ability of the Olansi Air Purifier is higher than the highest international standard and has good performance.
Energy efficiency rating: It represents the clean volume produced by one-degree electricity consumption. It is a measure of the energy consumption of an empty net. The higher the grade, the better the effect. The energy efficiency rating of the Olansi air purifier is higher than the highest international standard, and it is more energy-efficient to use. Electricity.
Noise: The noise in the maximum wind speed mode is only 68dB, which is lower than the ambient sound in the discussion. The noise in the sleep mode is only 34dB, which is lower than the ambient sound of the baby’s sleep.

In addition, the Olansi air purifier also has negative ion purification, 2-layer filter 3 mesh and 4 heavy filtrations, precision sensor, low energy consumption, long life, 360 degree no dead angle purification, thoughtful design, worry-free and so on…

Olansi Air Purifier is a leading producer of the Olansi company that combines the spirit of artisans and experts at home and abroad to create a higher-quality product than the national standard. It is also a star new product that Olansi launched in the second half of this year. Select the right pair, please see the Nashen air purification use strategy

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How to use the air purifier correctly? How long is it suitable for each day?

In the air-conditioned rooms in the summer, we often feel that the air is cloudy and occasionally feels chest tightness and dizziness. This is because the contaminants in the confined space are increasing, and the oxygen is gradually consumed by the human body, so the above conditions occur. Adding to the organic pollutants volatilized by interior decoration materials and furniture, bacteria floating in the air aggravate this situation.

The health of the family is threatened by the quality of the polluted air, and the function of the air purifier to clean the air is a good solution to this problem. How long does it take to keep the indoor air at a healthy level?

First, the living scene

Newly renovated houses should be opened as much as possible before the check-in. Because formaldehyde is a continuous release of decorative pollutants, the newly-renovated houses are released in large quantities, and the release of formaldehyde slowly decreases over time. After the check-in, if you can’t open the window, you should rely on the air purifier. At this time, the use of time should be extended appropriately, at least 4 hours per day. If there is an obvious smell in the room, it is recommended to open for more than 8 hours.

Second, the local environment

Because of the different geographical environments, the sources of pollution are different, and the air pollutant content varies from place to place. If the ambient air quality is excellent or good, you can choose to use it one hour before going to bed. But the most important thing about sleep is quietness, and mature products such as Senchen and Philips are doing very well in this respect. When adjusting to the small windshield, they only hear their breathing sounds quiet, and suggest that the machine should be placed away. The farther bed position reduces the risk of radiation.

Third, the weather conditions and space size

If the air quality of the day is not very good, depending on the size of the space, the living space is generally 4-8 hours. If space is large, it is delayed. On the other day, the concentration of pollutants will be higher in the morning and evening. It is recommended that air purifiers should also be used during these two periods.

In the rainy days, the dust in the rain and the suspended matter in the air will also drop. The air quality at this time is relatively good. However, in the “fine rain” weather, when you need to close the doors and windows, you should also use an air purifier to remove bacteria from the room.

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Can the car air purifier remove PM2.5?

Can the car air purifier remove PM2.5?

The descriptions of the three-car air purifiers used in the experiment clearly stated that “fine particles of 0.3 microns or more can be removed”. So, can they remove PM2.5?
On the day of the experiment, the concentration of outdoor PM2.5 was 328 μg/m3, which was serious pollution. The car used in the experiment was a home sedan. First, open the window, let the outdoor airflow into the car, then close the window, air conditioner, and the inside and outside of the car. At this time, the initial concentration of PM2.5 in the car is approximately 227 μg/m3.
Subsequently, three-car air purifiers took turns to appear. After 20 minutes of purification, the test results will follow. No. 1 purifier with a value of 880 yuan, the PM2.5 in the car is attenuated from the initial concentration of 276 μg/m3 to 42 μg/m3, and the air quality is good; the second value is 569 yuan purifier, the PM2 inside the car .5 from the initial concentration of 274 μg / m3 to 30 μg / m3, the air quality is excellent; the third value of 150 yuan purifier, the PM2.5 from the initial concentration of 269 μg / m3 to 98 Micrograms per cubic meter, the air quality is slightly polluted.
From the data point of view, the three purifiers can remove PM2.5, which one is better? Don’t worry, let’s look at a set of data. In the absence of a car air purifier, after 20 minutes, the PM2.5 in the car naturally decays from an initial concentration of 277 μg/m3 to 124 μg/m3, and the air quality is moderately polluted. This data is very close to the result of using a 150 yuan car air purifier.
Experiments have shown that a premium car air purifier can remove PM2.5. Experts from the Building Environment Testing Center of Tsinghua University said that to get a good effect of removing PM2.5, you should choose a car air purifier with a CADR value (Clean Air Delivery Rate) of 7 or higher. The little friends who have the car learned how to choose the in-car purifier, and then quickly forwarded to the circle of friends, let more people know.
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Do not dare to open the window in the fog! How to choose the right household air purifier?

Do not dare to open the window in the fog! How to choose the right household air purifier?

Buy an air purifier 5 steps away~
first step
Look carefully at 5 indicators
According to national standards, a truly effective air purifier should have the energy efficiency indicator “three highs and one low”. Mainly look at these five indicators:
01
High clean air volume
The high clean air volume (CADR) is the purifying effect indicator of the purifier. The larger the CADR value, the stronger the purifying ability of the purifier, and the better the purifying effect;
02
High cumulative purification
The higher the cumulative purification (CCM) value of the high cumulative purification amount, the more the pollutants are purified, and the longer the filter life is;
03
Energy efficiency value
The higher the energy efficiency level of energy efficiency, the more power saving;
04
Low noise
The low noise instrument working noise is generally less than 50 decibels, which is relatively quiet. You can observe the prototype for intuitive experience when purchasing.
05
Environmental label
Environmental Labeling Air Purifiers have strict limits on the CADR values ​​for different application areas for low noise operating conditions.
Second step
Choose according to your needs
To clearly define the purpose of use, select the appropriate product for your home based on your needs.
01
Newly renovated room
Newly renovated rooms, the main source of air pollution is formaldehyde, benzene, TVOC, etc. It is advisable to purchase products with large clean air and high purification efficiency.
02
Coping with PM2.5
Concerned indicators: particulate clean air volume and particulate matter purification energy efficiency.
03
There are patients, old people or children in the family.
If there are patients, elderly people or children in the family, consider the performance of the top 5 home air purifier to remove microorganisms when choosing a purifier, that is, the higher the sterilization rate, the better.
third step
Remember two formulas
1
CADR value ÷ (price × power);
The larger the value obtained, the higher the cost performance;
2
Applicable area = (0.07 ~ 0.12) * CADR;
If the applicable area is 16m2, the product with the CADR value of 150~120m3/h can be selected. The CADR value is too low to achieve the purification effect, and too many resources are consumed.
the fourth step
Check 1 standard
Pay attention to check whether the standard number on the product packaging or the manual is GB/T18801-2015, which indicates whether the purifier is produced according to the new national standard.
the fifth step
Avoid 1 misunderstanding
Carefully purchase a purifier that uses static electricity, negative ions, and other technologies.
Advantages: quiet, power saving.
Disadvantages: It is easy to produce secondary pollution such as ozone, which is unhealthy. The merchants issued reports that they meet the national standards and may only meet the short-term standards and will accumulate pollutants for a long time.
How is the air purifier most efficient?
The purchase of a suitable air purifier does not mean that once and for all, how to use and protect the air purifier is also essential.
Pay attention to the placement position
● Do not use the purifier too close to people. Try not to place it on walls or furniture, preferably in the center of the house, or more than one meter from the wall.
● In addition, when using activated carbon filter and high-efficiency filter, be careful to keep away from fire sources, and avoid falling cigarettes to prevent fire.
● In a house of 80 to 90 square meters or even larger, only a purifier is used, and the effect will be uneven. If you have the conditions, put one in each room is the best choice. Only one, remember one principle: “Where is the person, where is the purifier.”
Timely maintenance and replacement of purifier screens and filter elements
Long-term use and no replacement of the filter element will easily lead to a decrease in the efficiency of the purification of the machine; the continuous accumulation of pollutants may become a source of secondary pollution.
How to judge when to replace the filter?
● Some purifiers have a filter life indicator that can be used to determine when to replace. If there is no indicator light, you can turn on the machine to check the filter contamination. Once the filter is black, it needs to be replaced immediately.
● If you find that the purification effect is significantly reduced or there is odor after opening, you need to replace the filter material or clean the filter in time.
● If the smog is heavy and often turned on, consider replacing the filter element 3 to 6 months.
Proper ventilation
Long-term use of air purifiers, insufficient indoor fresh air, will cause a decrease in carbon dioxide concentration, which may lead to chest tightness, headache, fatigue, and other symptoms, causing respiratory and nervous system diseases.
Polluted weather, do you want to open the window for ventilation?
● Even if there is air pollution outside the window, it is not appropriate to close the doors and windows for a long time. It is still necessary to properly ventilate.
● The air quality can be viewed in real-time, and the window is opened during a relatively good period of time when the air is relatively good and the temperature and humidity are relatively suitable.
☛ So in non-severe smog weather, the window ventilation is still necessary. The principle of pollution weather compliance is “short-opening windows, long closing windows”, and ventilation can be done in a window for about half an hour.
Use a purifier according to the pollution situation
● Purify the PM2.5 air purifier, preferably in case of serious air pollution or indoor environment pollution. If the air quality is good, there is no need to turn on the purifier for a long time.
● Winter can be used in conjunction with a humidifier for better results. However, if you choose a purifier with a humidifying function, you should be careful not to use it in the summer rainy season, sauna day or high humidity, otherwise the purification effect will be greatly reduced.
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Is there a home quiet air purifier worth recommending?

Is there a home quiet air purifier worth recommending?

If you have used an air purifier, you will find that the air purifier noise seems to be much larger than other household appliances, especially when the maximum gear is turned on, even exceeding the noise of the electric fan. Many people scream when they buy a home, even if they have a good purification effect, they feel like inferior products.
In fact, the noise has always been one of the most difficult problems in air purifiers. If we want to increase the purification efficiency, we can increase the filter area and increase the fan speed, but these will increase the wind resistance and increase the noise. How to choose an air purifier with performance and quiet? We uncover the source of noise and see who is the most “low-key”.
First, motor noise
Most home appliances have noise generated when the motor is running, and air purifiers are no exception. The noise of the motor is actually well solved, and it is ok to purchase a professional brand motor with more cost. However, there are many brands that lose quality in order to save costs, and put a lot of money on the more intuitive functions of the products, so that the actual experience of the products is extremely poor.
Second, resonance noise
The vibration brought by the operation of the fan, the quality of the bearing and the dynamic balance of the impeller directly lead to the level of vibration of the whole fan. Air purifiers with high performance are generally large in size. If the design mechanism is unreasonable and the quality details are not good, the noise will be increased in the later stage. When purchasing, be sure to look at the professional top-rated home air purifiers. The noise level is the key factor to check the quality of the product.
Third, the wind channel noise
Wind channel noise is the main source of noise for top room air purifiers, unlike direct air blows. The fan presses the unfiltered air into the filter element, filters through the multi-layer composite filter, and exits the air duct. Due to the strong wind resistance of the composite filter, the noise will increase significantly, and if the air duct design is unreasonable and the turbulence is more, the noise will be very large.
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Best home air purifier

Best home air purifier

The advent of winter has caused the popularity of the empty net market, and consumers have begun to shop around. In general, the purchase of household air purifiers mainly needs to consider several performance parameters, including purification efficiency, noise effect, filter life, etc. At the same time, the empty net of these three points is rare, and often the price is more expensive. However, in early November this year, Hammer Technology’s Chang breathing air purifier not only achieved these three points but also the price of 3,499 yuan is more acceptable.
800 CADR=Quick Detachment
For empty net products, the higher the CADR value, the stronger the purification ability and the faster the purification rate. The product with a larger CADR value has an advantage in purifying the air.
The 800 CADR purifier purifies a baby room in just one and a half minutes and purifies a living room in just four and a half minutes. This is a purification speed that cannot be achieved with low CADR air. In addition, even with such a purification speed, the price of breathing is only 3,499 yuan, only about 1/3 of the big net empty.
This is also in line with the “double rolling” policy defined by Luo Yonghao, that is, the same price, the purification ability is stronger; the same purification ability, the price is lower.
Low noise = interference purification
Household appliances need to balance the two parameters of function and noise. For the empty net, it is to maintain the purification efficiency in the case of low noise and to ensure low noise at the extreme speed. For this balance, Luo Yonghao also defined the concept of “a clean area under acceptable noise” to explain. It’s just that the two breaths are done. In particular, it can still maintain a sleep mode (34dB), there is still 205 CADR purification speed.
High CCM filter = long life
The CCM value refers to the parameter of the cumulative purifying capacity of the air purifier for the target pollutants such as particulate matter and gaseous pollutants under the rated state and the specified test conditions. Simply put, the higher the CCM, the longer the time between filter changes. The smooth breathing ensures that the filter is replaced every six months to one year, reducing the cost of use. In addition, the multi-layer composite filter element that breathes itself can also be efficiently filtered to ensure that each layer of the filter screen performs its duties and maximizes the purification effect.
It is worth noting that the Breathing Air Purifier uses the H13 HEPA filter, which is currently the highest level of household net filter, which can effectively filter harmful substances such as PM2.5, pollen, allergens, bacteria, viruses and second-hand smoke. The single filtration efficiency of particles with a diameter of 0.3 microns or more also reached 99.97%.
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The effect of the air purifier is good, the filter is the key!

The effect of the air purifier is good, the filter is the key!

All clean air is filtered through a filter screen, which is the core component of the air purifier, which is directly related to the purification effect of the air purifier.
The filter cartridges used in the market purifiers are varied. Which filter is better?
1. The larger the extension area, the better.
The air purifier industry has an unwritten buying skill, that is, the larger the purification effect of the purifier, the better.
Here, the larger the amount is generally reflected in the filter screen, the larger the filter screen is, the larger the wind is so that at the same wind speed, more air can be purified, and the purification efficiency is correspondingly improved.
So we can see that the filter is a folding design, in order to increase the filter area.
2, multi-layer high-efficiency composite filter.
Comprehensive performance of the top 5  air purifier, the filter is generally not just a layer, a composite filter made up of different functional filters, can filter more diverse air pollutants, this air purifier can be applied to different indoor environments.
We can see that this composite filter is generally thicker, and the wind resistance caused by the composite filter is also larger, so the noise will also increase, which requires a very professional filter technology, while effectively filtering Can reduce wind resistance.
3, high-grade high-quality filter.
The high-quality filter can intercept finer particles while being effectively ventilated. For example, HEPA has high filtration efficiency, low flow resistance, and can be used continuously for a long time. It is often used as a high-quality filter in air purifiers.
For example, in the Senchen series air purifier filter, it contains H11 medium efficiency filter and H13 high-efficiency filter double HEPA filter paper, which can filter very small particles as small as PM0.1.
When we buy an air purifier, we must pay attention to the quality of the filter. High-quality filters can significantly improve the efficiency, effectiveness, and longevity of air purification.
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Air purifiers can solve that biological pollution

Air purifiers can solve that biological pollution

In addition to the inhalable particulate pollution and harmful gases, the air pollution problems encountered in our daily lives are also a part of the biological pollution. In an indoor environment, factors that can cause biological contamination include bacteria, fungi, filter viruses, dust mites, and the like. The wide variety of biological pollutants is one of the major indoor air pollution phenomena that people face, and even most of the diseases caused by air pollution are related to biological pollution.
At present, the indoor air biological pollution factors causing indoor environmental pollution such as office buildings and homes, causing health damage such as allergic diseases or respiratory diseases mainly include the following:
First, mold. Mold is a microorganism that can multiply rapidly in warm and humid environments and is the causative agent of most air pollution-related diseases. Mold in the air can cause nausea, vomiting, abdominal pain and other symptoms, which can lead to asthma, dysentery and so on. According to a study by Aegis, Germany, among adults, asthma caused by various molds is the sum of other factors, and the probability of death is more than twice that of other factors.
Second, dust mites. Dust mites are one of the most common air micro-organisms and are small arthropods that are hard to find with the naked eye. Dust mites are one of the chief culprits of allergic diseases, and they proliferate rapidly in indoor environments. In particular, the wide application of carpets, wallpapers and upholstered furniture contributes to the growth of dust mites. The indoor environmental monitoring data of the Ai Jisen best cheap air purifier shows that under normal circumstances, there are at least 10,000 dust mites blown out by air conditioners, which cause allergic dermatitis, rhinitis, and chronic urticaria after entering the human body through the air flow.

Third, Legionella. Legionella is a kind of bacteria, mainly in water and soil. It is a big killer that endangers human health. The mortality rate is as high as 20%. Although Legionella does not spread through the air under normal circumstances, if the room is too humid, Legionella will enter the body through the aerosol mist in the indoor air, resulting in fever, accompanied by chills, muscle pain, headache, chest pain, difficulty breathing and so on.
Fourth, animal dander or other biologically active substances. In recent years, feeding pets has gradually become a trend, but the resulting pet dander and other related air pollutants with biologically active substances have seriously affected people’s health. When there is a pet in the room, the number of allergic sources in the air will also increase. According to the survey, about 15% of the general population have allergic reactions to allergic reactions to cats and dogs. As a result, the incidence of allergic diseases such as asthma and allergic rhinitis is greatly increased in families with pets.
Most of the best cheap air purifiers on the market can filter out the larger dust mites and animal dander, but for the smaller pathogenic factors such as mold and Legionella, only a small part of the ATP HEPA antibacterial peptide is used. Filter technology and UV photocatalyst air purifiers can effectively kill mold and Legionella. And the integration of these two sterilization and disinfection technologies, only the Agilent air purifier recently launched the flagship product S7.

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Air Purifier evaluation results released to formaldehyde is pure flicker – teach you how to choose air purifier

Air Purifier evaluation results released to formaldehyde is pure flicker – teach you how to choose an air purifier

Xinhuanet Beijing August 29th (Reporter Zhang Zhilong, Xiao Haichuan) “Removal of formaldehyde 99%” “Efficient addition of PM2.5″… In the past two years, due to the influence of smog, air purifiers have been increasingly popular, and Is the product effect of thousands or even tens of thousands of dollars really magical?
Recently, the relevant performance evaluation results of China’s air purifiers released by relevant departments show that the PM2.5 technology in the air purifier purifying air is relatively mature, and the function of scavenging formaldehyde is basically “flickering”, with no significant effect, and the price is high and exaggerated. And so on.
Remove formaldehyde by 99%? Test result: Basically invalid.
On the 27th, the reporter saw at the air purifier counter of the front store of an electrical appliance store in Beijing that there were twenty or thirty air purifiers on the shelves, and the price ranged from less than 1,000 yuan to nearly 10,000 yuan. Many manufacturers’ large posters are printed with “99% formaldehyde removal”, “complete decomposition without residue”, “smart removal of formaldehyde”, etc., and various “advanced technologies” with letters and English are attached below.
The reporter asked about the need to purify the air after the house was renovated. The salesperson immediately promoted an imported brand air purifier with a price of 5,499 yuan. In the promotional materials, this model AC4076 products filter formaldehyde rate as high as 99.1%.
The reporter asked the clerk “when the effect can be achieved so well, how the value is drawn”, the clerk said that “this is imported, all the data detected by the authoritative laboratory, authentic and reliable, just use it.”
So, the actual use of formaldehyde in addition to the effect is really so ideal? Song Guangsheng, director of the National Indoor Interior-Environment and Environmental Product Quality Supervision and Inspection Center (hereinafter referred to as “Indoor Environmental Inspection Center”) gave a rather pessimistic answer: “Most air purifiers claim that formaldehyde has almost no effect.”

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Can I put an air purifier in my baby room? Does volume occupy the place?

Can I put an air purifier in my baby room? Does volume occupy the place?

An air purifier can be placed. However, be cautious when choosing, because most of the air purifiers on the market not only have no effect on purification but also bring many problems in the process of use, such as air purification of a filter and fresh air systems. Because of its purification principle, the built-in fan of the machine is used to pump the dirty air in the room into the machine. When the dust in the air collides against the filter net, the layer of the filter is blocked by the layer, and some large particles of dust are blocked in the filter. In the net, in order to achieve the role of purifying the air. Therefore, in order to achieve a good purification effect, it will increase the rotation of the fan with more power, and the noise of the air purifier will also increase. The noisy noise environment has a very negative impact on your baby. Infants and young children’s central nervous system has not yet fully developed, long-term stimulation of noise, will damage brain cells, hinder the baby’s ability to develop language, recognition, intelligence, reaction, and judgment. It will also affect the sleep of infants and young children, reduce the body hormones and promote the secretion of high endocrine hormones, thus affecting the baby’s height development.
It’s good to use it. It’s good to use the space. My family’s brand is large. The square is the same as the one under the desk. It can also be used as a walking bedside table. The bookshelf is Best of all. Because the whole body of the machine is made of aluminum alloy, the air duct is also the front and rear air outlet mode, and the air is blown out before the wind enters the air. Therefore, placing the objects on the top does not hinder the normal use of the machine.
At present, the negative ion air purifier using the eco-negative ion generation chip technology and the nano-fullerene negative ion release technology avoids the noise problem while purifying, because it uses the above two technologies to generate a small equivalent to nature. Particle size, high-activity ecological grade negative ions, no need to use a fan, running zero noise. And support all-day purification, late zero consumables maintenance costs. To achieve common three-state pollution (chemical pollution, microbial pollution, and physical pollution) treatment. At the same time, the ecological-grade negative ions generated are important for the mental development of infants. Therefore, for the choice of air purifier for children must choose zero noise, purification of strong purification products.

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